swing up and down的意思|示意

He walked at the other's heels with a swing to his shoulders, and his legs spread unwittingly, as if the level floors were tilting up and sinking down to the heave and lunge of the sea.

他跟在那人的后面走，双肩一摇一摆的，两条腿不知不觉地张开着，好像这平坦的地板正随着海浪的起伏和涌动忽儿上升，忽儿下沉似的。

The ring will jump up the core and, if it does not fly clear of the core, will bounce up and down in a swing-like manner, finally coming to rest at a point some distance up the core from the coil.

环会跳起来的核心，如果它不飞的核心明确，将反弹向上和向下挥杆样的方式，终于来到休息点一些，从线圈核心的距离。

The jack can rotate in both horizontal and vertical directions in the front bearing and can swing up and down and right and left in the rear bearing.

千斤顶可在前支座内作水平、垂直两个方向转动，而在后支座内可作上下、左右摆动。

The centerboard can be raised to decrease displacement to allow the boat into shallower water - and it should swing up and back if it hits the bottom when sailing with it down.

当船只需要进入浅水区域时，活动龙骨板可被提起，以减小船底深度——即使不将其提起，它在船只行驶中触碰到水底时也会来回上下摆荡。

Plant your feet, lean back slightly, and swing the ball down and up… side to side.

站直，稍微向后倾斜，挥动击球下来了…一边到另一边。

Lie down and swing your legs up the wall so that they are straight and touching.

躺下并将你的腿放在墙上以使他们是笔直和动人。